System and method for area of interest enhancement in a semi-transparent keyboard

ABSTRACT

Lack of physical display space on a mobile computing device complicates the entry of data since the input elements (usually “keys” on a virtual keyboard) are too small to accurately touch. Using on-screen virtual keyboards usually requires placing the virtual keyboard on the screen so that it does not obscure the underlying input field which further reduces the size of the input “keys”. As described herein, a semi-transparent layer is created representing a virtual on-screen keyboard with the specification of “areas of interest” (areas or bounded portions of the screen) which typically will contain the most important screen content. These areas of interest are given enhanced visibility by increasing the transparency of the virtual keyboard in those bounded areas.

FIELD OF THE INVENTION

The present invention relates to mobile devices with touchscreen displays having the ability to generate a virtual keyboard display screen with a highlighted area of interest.

BACKGROUND

Mobile device manufacturers have different ways by which users may interact with and provide input to the devices. For example, some mobile devices provide a miniaturized physical keyboard. Other mobile devices eliminate the physical keyboard and provide a touchscreen display with which a user may make entries using either a finger or a stylus. By utilizing these methods, the device manufacturers can maximize the screen size yet maintain a smaller form factor by eliminating most or all physical buttons or other physical input devices. However, in such cases the user is forced to learn how to interact with a touchscreen keyboard which may behave substantially different from a physical keyboard.

SUMMARY

Accordingly, in one aspect, the present disclosure embraces a method comprising: displaying an application layer on a touchscreen of a display of a mobile device; generating a semi-transparent keyboard layer covering the touchscreen wherein the semi-transparent layer defines a substantially transparent area that surrounds a first data entry field of the application layer so that the semi-transparent keyboard layer does not block the first data entry field, wherein the substantially transparent area conceals at least a portion of at least one key of the semi-transparent keyboard layer; receiving a first data entry input from an operator for display at a first data entry field on the application layer; varying the size of the substantially transparent bounded portion for the second data entry field on the application later; and receiving a second data entry input from the operator for display at a second data entry field on the first application layer.

In another aspect, the present disclosure embraces a mobile device comprising: displaying an application layer on a touchscreen of a display of a mobile device; and generating a semi-transparent keyboard layer covering the touchscreen wherein the semi-transparent layer defines a substantially transparent area that surrounds a first data entry field of the application layer visible through the semi-transparent keyboard layer.

In another aspect, the present disclosure embraces a mobile device comprising: a display having a touchscreen; and a processor configured to generate an application layer on the touchscreen and a semi-transparent keyboard layer covering the touchscreen wherein the semi-transparent layer defines a substantially transparent area that surrounds a first data entry field of the application layer so that the semi-transparent keyboard layer does not block the first data entry field, wherein the substantially transparent area conceals at least a portion of at least one key of the semi-transparent keyboard layer.

The foregoing illustrative summary, as well as other exemplary objectives and/or advantages of the invention, and the manner in which the same are accomplished, are further explained within the following detailed description and its accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic block diagram of a mobile computing device 100.

FIG. 2 depicts the touchscreen of the mobile computing device 100 having a semi-transparent overlay substantially covering the touchscreen except for an “area of interest” inputting information.

DETAILED DESCRIPTION

Lack of physical display space on a mobile computing device such as a cellular telephone complicates the entry of data through a touchscreen since the input elements (usually “keys” on a virtual keyboard) are often too small to accurately touch. Using on-screen virtual keyboards usually requires placing the virtual keyboard on the touchscreen of the device so that the keyboard does not obscure the underlying input field which further reduces the size of the input “keys”. The disclosure herein describes an improvement over this current situation.

FIG. 1 schematically depicts the internal components of an exemplary mobile computing device 100 in accordance with the present disclosure. Mobile computing device 100 may be a mobile phone, wireless tablet, scanner, imager, or the like. The mobile computing device 100 typically includes a processor 110 which is communicatively coupled with the user interface system 102, a memory 112 having a database 114, a camera 116, a wireless communication system 118 and an input/output (I/O) module 120. User interface system 102 has a touch visual display screen 105. Exemplary mobile computing devices 100 may further include a system bus 122 and/or one or more interface circuits (not shown) for coupling the processor 110 and other components (e.g., user interface system 102, memory 112, camera 116, wireless communication system 118 and I/O module) to the system bus 122 and to each other.

Typically, the processor 110 is configured to execute instructions and to carry out operations associated with the mobile computing device 100. For example, using instructions retrieved from the memory 112 (e.g., a memory block), the processor 110 may control the reception and manipulation of input and output data between components of the mobile computing device 100. When the mobile computing device 100 is an imager or scanner, the processor 110 is configured for capturing from the camera 116 an image depicting a code symbol; displaying the image on the touch visual display screen 105; and determining whether the code symbol in the image is readable by the processor. The processor 110 typically operates with an operating system to execute computer code and produce and use data. The operating system, other computer code, and data may reside within the memory 112 that is operatively coupled to and used by the processor 110. The memory 112 may include Read-Only Memory (ROM), Random-Access Memory (RAM), a hard disk drive, and/or other non-transitory storage media. The operating system, other computer code, and data may also reside on a removable non-transitory storage medium that is loaded or installed onto the mobile computing device 100 when needed. The wireless communication system 118 enables the mobile computing device 100 to communicate with a wireless network, such as a cellular network (e.g., a GSM network, a CDMA network, or an LTE network), a local area network (LAN), and/or an ad hoc network. The I/O module 120 may be a hardwire connector which allows the mobile computing device 100 to receive power and/or data when plugged in.

The mobile computing device 100 is capable during operation of “area of interest” enhancement in a semi-transparent virtual keyboard on a touch visual display screen 105 as shown in FIG. 2. For purposes of this disclosure, the term “transparent” shall mean allowing light to pass through so the objects behind can be distinctly seen and the term “semi-transparent” shall mean between transparent and opaque. The “area of interest” as used herein is a bounded space (or portion or area) which is typically a highlighted field into which data is to be entered. The area of interest is given enhanced visibility by increasing the transparency of the virtual keyboard in those bounded areas as shown in FIG. 2. The processor 110 of device 100 is configured to automatically bound the area of interest 202 with the area of the current data entry field with configurable transparency, width, and any other relevant criteria. Typically, as the operator of the device 100 makes entries the area of interest will move from data entry field to data entry field as the operator enters the requested information. The area of interest will change in size and/or shape to accommodate differences in sizes between data entry fields. Graphics software stored in memory 112 allows the touch visual display screen 105 to show a plurality of overlapping layers that can each receive an input. A first underlying layer 200 is an “application user interface layer” which requires data entry of fields of information. A second semi-transparent layer 201 overlays the first layer to form a “keyboard user interface layer” which superimposes a virtual keyboard upon that first layer with variable transparency that allows the first application user interface layer to “bleed” through the second semi-transparent layer. In FIG. 2, touch visual display screen 105 displays the first layer 200 having a template for inputting information in fields labeled, for example, “Pro #”, “Pcs”, “HUs”, etc. The screen 105 also displays a second layer 201 which is a semi-transparent superimposed (or virtual) keyboard having large numeric characters. The semi-transparent virtual keyboard may extend to approximately all four edges of the touchscreen 105 which is also shown in FIG. 2. In alternative embodiments the virtual keyboard may cover the entire touchscreen 105 or cover somewhat less surface of the touchscreen 105 and just cover substantially the area of the touchscreen 105. In FIG. 2, the area of interest 202 is currently focused on the “Pcs” label. Typically, the area of interest 202 will either be substantially transparent or completely transparent to highlight the most important screen content of the first layer 200 at that particular moment of operation.

In alternative embodiments, the second layer keyboard 201 can be alphanumeric but that is usually less desirable in a small display screen on a mobile device than just numeric “keys” because the keys become rather small since there are so many more characters to display at once and the touch area of the keys is tiny. Numeric entry usually involves only twelve keys—digits 0-9, a “delete” or “clear” button, and an “accept” or “entry” button as shown in FIG. 2—which allows for relatively large touch areas to be assigned to those keys on the display. With the larger keys, the operator can easily learn to accurately touch the screen in the correct area to generate the desired “keystroke”. As discussed above, the semi-transparent overlay keyboard 201 may occupy more than 50% of, substantially all of, or the entire touch visual display screen 105 and may extend to approximately all four edges of the display screen.

The range of transparency of the semi-transparent second layer 201 and the area of interest 202 are variable and can be set by the operator or automatically adjusted by the processor 110 based on the hues of the first screen 200. The area of interest 202 is typically highly transparent (e.g., it is oftentimes completely transparent) and will conceal (or obscure) most of the keyboard “key” or “keys” of the second layer 201 in that bounded area 202, while the rest of the second layer 201 superimposed on the touch visual display screen 105 is less transparent so that the keyboard key labels are more visible in the remaining region of the second layer 201 to preserve the user's visual cues about the position of the keyboard “keys”. The system and method described herein allows data entry using the touch visual display screen 105 on a small form-factor mobile computing device 100 while maximizing data entry area of interest 202 and enhancing the user's view of changes in the underlying application visual display layer 200 in response to data entry events. The semi-transparent keyboard layer 201 allows visual cues and input context to “show through” the keyboard 201 so that entire screen area of a touch visual display screen 105 can be utilized for larger “keys”. In terms of size, although it depends on the width and length of the touch visual display screen 105, the larger keys the second layer 201 of FIG. 2 will typically be greater than 1 square centimeter. Another factor in the size of the keys is how reliably an operator can touch the desired area of the screen using only physical cues (depending mainly upon how the operator is holding the device 100 in their hand). The key size—which is entirely dependent upon how many “keys” there are—is maximized so the “keys” are not relegated to a much smaller area so as to not obscure the current data entry item. To summarize the above, the semi-transparent keyboard layer 201 allows for the specification of areas of interest 202 in the underlying display such that the keyboard layer 201 will be made more transparent (or, alternatively, completely transparent) in those bounded areas of the screen and not obscure the underlying data entry fields while still maintaining a visual reference/context for the position of the “keys”.

The second semi-transparent keyboard layer 201 operates in both the portrait and landscape orientations of the touch visual display screen 105. The processor 110 is configured to control the switch between the first data entry layer 200 and the second semi-transparent layer 201. Each data entry item can potentially have different virtual keyboard configurations, so the processor 110 is capable of setting the correct virtual keyboard configuration of the second layer 201 to use as each data entry item is selected. Similarly, when the operator performs the action that ends data entry for that data entry field (and there are no more data entry fields on the displayed template of first layer 200), the processor is capable of automatically removing the second semi-transparent keyboard layer 201.

To supplement the present disclosure, this application incorporates entirely by reference the following commonly assigned patents, patent application publications, and patent applications:

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In the specification and/or figures, typical embodiments of the invention have been disclosed. The present invention is not limited to such exemplary embodiments. The use of the term “and/or” includes any and all combinations of one or more of the associated listed items. The figures are schematic representations and so are not necessarily drawn to scale. Unless otherwise noted, specific terms have been used in a generic and descriptive sense and not for purposes of limitation.

Devices that are described as in “communication” with each other or “coupled” to each other need not be in continuous communication with each other or in direct physical contact, unless expressly specified otherwise. On the contrary, such devices need only transmit to each other as necessary or desirable, and may actually refrain from exchanging data most of the time. For example, a machine in communication with or coupled with another machine via the Internet may not transmit data to the other machine for long period of time (e.g. weeks at a time). In addition, devices that are in communication with or coupled with each other may communicate directly or indirectly through one or more intermediaries.

Although process (or method) steps may be described or claimed in a particular sequential order, such processes may be configured to work in different orders. In other words, any sequence or order of steps that may be explicitly described or claimed does not necessarily indicate a requirement that the steps be performed in that order unless specifically indicated. Further, some steps may be performed simultaneously despite being described or implied as occurring non-simultaneously (e.g., because one step is described after the other step) unless specifically indicated. Where a process is described in an embodiment the process may operate without any user intervention. 

1. A method, comprising: displaying an application layer on a touchscreen of a display of a mobile device; generating a semi-transparent keyboard layer covering the touchscreen wherein the semi-transparent layer defines a substantially transparent area that surrounds a first data entry field of the application layer so that the semi-transparent keyboard layer does not block the first data entry field, wherein the substantially transparent area conceals at least a portion of at least one key of the semi-transparent keyboard layer; receiving a first data entry input from an operator for display at a first data entry field on the application layer; varying the size of the substantially transparent bounded portion for the second data entry field on the application later; and receiving a second data entry input from the operator for display at a second data entry field on the first application layer.
 2. The method of claim 1, comprising: removing the semi-transparent keyboard layer when a data entry routine is complete.
 3. The method of claim 1, wherein the semi-transparent keyboard layer includes keys which are numeric.
 4. The method of claim 1, wherein the transparency settings of the semi-transparent keyboard layer and the substantially transparent area may also be set by the operator.
 5. The method of claim 1, wherein the transparency settings of the semi-transparent keyboard layer and the substantially transparent area are automatically adjusted by a processor of the mobile device based on the hue of the application layer.
 6. The method of claim 1, wherein the semi-transparent keyboard layer includes a plurality of keys which represent digits, a delete key and an entry key.
 7. The method of claim 1, wherein the semi-transparent keyboard layer includes a plurality of keys having a diameter greater than 1 square centimeter.
 8. A method comprising: displaying an application layer on a touchscreen of a display of a mobile device; and generating a semi-transparent keyboard layer covering the touchscreen wherein the semi-transparent layer defines a substantially transparent area that surrounds a first data entry field of the application layer visible through the semi-transparent keyboard layer.
 9. The method of claim 8, comprising: receiving a first data entry input from an operator for display at a first data entry field of the application layer; varying the size of the area for the second data entry field of the application layer; and receiving a second data entry input from the operator for display at a second data entry field of the application layer.
 10. The method of claim 8, comprising: removing the semi-transparent keyboard layer when a data entry routine is complete.
 11. The method of claim 8, wherein the semi-transparent keyboard layer includes keys which are numeric.
 12. The method of claim 8, wherein the area conceals at least a portion of at least one key of the semi-transparent keyboard layer.
 13. The method of claim 8, wherein the transparency settings of the semi-transparent keyboard layer and the area may be received from the operator.
 14. The method of claim 8, wherein the transparency settings of the semi-transparent keyboard layer and the area are automatically adjusted by a processor of the mobile device depending on the hue of the application layer.
 15. The method of claim 8, wherein the semi-transparent keyboard layer includes a plurality of keys which represent digits, a delete key and an entry key.
 16. The method of claim 8, wherein the semi-transparent keyboard layer includes a plurality of keys having a diameter greater than 1 square centimeter.
 17. A mobile device comprising: a display having a touchscreen; and a processor configured to generate an application layer on the touchscreen and a semi-transparent keyboard layer covering the touchscreen wherein the semi-transparent layer defines a substantially transparent area that surrounds a first data entry field of the application layer so that the semi-transparent keyboard layer does not block the first data entry field, wherein the substantially transparent area conceals at least a portion of at least one key of the semi-transparent keyboard layer.
 18. The mobile device of claim 17, wherein the semi-transparent keyboard layer overlays the entirety of the touchscreen.
 19. The mobile device of claim 17, wherein the transparency settings of the semi-transparent keyboard layer and the substantially transparent area are automatically adjusted by a processor of the mobile device based on the hue of the application layer.
 20. The mobile device of claim 17, wherein the processor is configured to varying the size of the area for the second data entry field of the application layer. 